Hydroxypropyl methyl cellulose (HPMC) hollow capsules are made of vegetable raw material hydroxypropyl methyl cellulose plus appropriate auxiliary materials. The pure plant source can meet the medication requirements of vegetarians and people with special beliefs. Its characteristics of low moisture and high toughness can satisfy the filling of high-humidity medicines, especially the filling of traditional Chinese medicines. Inert material, no amino acid substances, can avoid cross-linking reaction of drugs and Maillard reaction, etc.; product specifications mainly include 00#, 0#, 1#.